Patents Assigned to Bitech Engineering
  • Stove or heater
    Patent number: D490884
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: June 1, 2004
    Assignee: Bitech Engineering
    Inventor: Paul Michael Warren
  • Stove or heater
    Patent number: D490885
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: June 1, 2004
    Assignee: Bitech Engineering
    Inventor: Paul Michael Warren
  • Stove or heater
    Patent number: D491652
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: June 15, 2004
    Assignee: Bitech Engineering
    Inventor: Paul Michael Warren
  • Stove or heater
    Patent number: D491653
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: June 15, 2004
    Assignee: Bitech Engineering
    Inventor: Paul Michael Warren